Home / 108,681.53-149,964.21-62,110.85

Finding the Fourth Proportional to 108,681.53, 149,964.21 and 62,110.85

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Solution

The fourth proportional to 108,681.53, 149,964.21 and 62,110.85 is: 85,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,681.53 : 149,964.21 = 62,110.85 : x
  2. Step 2: Convert to fraction form
    108,681.53/149,964.21 = 62,110.85/x
  3. Step 3: Cross multiply
    108,681.53x = 149,964.21 × 62,110.85
  4. Step 4: Simplify right side
    108,681.53x = 9,314,403,802.86
  5. Step 5: Solve for x
    x = 9,314,403,802.86/108,681.53
  6. Step 6: Final answer
    x = 85,703.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.